Jjajang Cheonguk Mokdong Branch is a Chinese restaurant in Mokdong, Seoul, selling jjajangmyeon, jjamppong, and tangsuyuk. It also sells gunmandu and offers inexpensive set menus. The large portion of jjajangmyeon is generous in quantity, so diners should gauge their appetite before ordering. The jjamppong falls short in flavor.